Governing mechanism.



PATENTED MAY 26, 1903.

- F. c. RINSGHE.

GOVERNING MECHANISM.

APPLICATION FILED JULY 8, 1901.

N0 MODEL.

illli mm- Illlllillmv 1 mil-Iii mm UNITED STATES Patented May 26, 1903.

PATENT OFFICE.

FRANK C. RINSOHE, OF ST.LOUIS, MISSOURI, ASSIGNOR TO UNIVERSAL ACCOUNTANT MACHINE. COMPANY, OF ST. LOUIS, MISSOURI, A COR- PORATION OF MISSOURI.

GOVERNING MECHANISM.

SPECIFICATION forming part of Letters Patent N 0. 729,415, dated May 26, 1903.

Application filed July 8,1901.

To all whom it may concern:

Be it known that I, FRANK C. Rmscnn, a citizen of the United States, residing at the city of St. Louis, State of'Missouri, have invented a certain new and useful Improvement in Governing Mechanism, of which the following is a full, clear, and exact description, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, forming part of this specification,

in which-- Figure 1 is a side elevational view, partly in section. Fig. 2 is a top plan View. Fig. 3 is a sectional view on line 3 3 of Fig. 2; and Fig. 4 is a detail view illustrating the form of connection between links y and rod Y, hereinafter described.

This invention relates to new and useful improvements in governors of the type especially applicable to electrically-driven machines, such as the calculating-machine upon which I have filed an application for United States Letters Patent, known as Serial No. 59,391, filed on or about May 9, 1901, where in the machine is driven by a motor.

In actual experience it has been found that motors, while presumably wound for given voltages, do not respond efficiently in service. This is primarily due to the current, which varies in its voltage above and below the specified or rated voltage. Where the voltage is changing, as it frequently does in circuits, means should be provided for compensating for such changes, so that the motor will run at substantially the same speed at all times.

WVith these objects in view the invention consists in the arrangement, construction, and combination of the several parts, all as willhereinafter be described, and particularly pointed out in the claims.

In the drawings the governor is shown as connected to the controller arm or switch A, as that is the special application employed by me, though it will be apparent that it may be employed in any other connection wherein a governor of this construction is applicable.

1 indicates a rotatable shaft, as an arma- Serial No. 67,442. (No model.)

ture-shaft, continuously in operation during the time of service.

Xindicates a head suitably mounted upon thearrnature-shaft, which head carries pivoted governing-arms w, carrying weights 3, which are held in suitable channel-shaped guideways 2 close to the shaft by means of the springs 00', said springs being connected at one end to said channel-guides 2 of the head X and at their opposite ends to the free outer ends of the governing-arms e, which latter are rigidly connected with said arms a: at a, so that movement of either thereof is imparted positively to the other. Thus when centrifugal motion causes the weights 3 and arms 00 to be thrown outwardly from the shaft 1 they will be guided by said channel portion ofthe head X and will carry the outer ends of the arms a in a direction away from the head X against the action of the springs :0, thereby causing the opposite ends of said arms z to move toward said head, drawing toward them the links y.

Y indicates a rod slidingly mounted in the socket 5 in the shank 6 of the head X and connected by the links y and hub y to the pivoted governing-arms .2 at the ends thereof opposite to the point of connection of the springs 00. The opposite end of this rod is connected to a switch-arm A, which arm is arranged in a motor-circuit, its free end traveling over the terminals, to which are connected resistance-coils, as shown. The links y are connected to a hub y, loosely mounted on the rod Y, and at each end of said hub is a collar 11 which is pinned to said rod Y, so that said hub may rotate freely on the rod and may cause longitudinal movement thereof without causing it to rotate. The hub y is shown in the drawings as constructed with an enlarged interior for the reception of any suitable lubricant g which may be inserted therein through an openingin its shell, it desired.

the switch-blade is not operated. in the event of an increased Voltage, which would result in increased speed in the motor,

the governing mechanism referred to becomes elfective, so as to move the rod Y audits con.- nected switch-arm inwardly and in so doing cut in resistance in the motor-circuit, which resistance will result in reducing the speed of the motor.

This governing mechanism is peculiarly applicable for controlling the speed of motors which are connected to machines of the character described, which machines must be operated at a certain speed-that is, as the mechanisms are timed to operate successively the speed of the motor should be regulated to give the proper time to the several operations involved. If the speed of the motor exceeds that which the machine iscapable of standing, the several operations referred to will not occur at their proper times, and consequently the calculating-machine will not work properly. By providing a motor with my improved governing mechanism I may use motors with the same winding with different currents whose voltages extend over a considerable range, taking the lowest voltageas the lowest speed at which it is de sired the motor shall run, and then while the motor is used in circuits having high voltages resistance will be automatically cut in, so that the speed of the motor will be slow enough; but sufficient to meet the require ments.

I am aware that minor changes in the construction, arrangements, and combination of the several parts of my machine may be made and substituted for those herein shown and described without in the least departing from the nature and principle of my invention.

Having thus described my invention, what I claim, and desire to secure by Letters Pat cut, is-

1. In a governing mechanism, a head suitably mcuuted on a rotatable shaft, guideways extending radially therefrom, weighted gov= erning-arms guided therein and pivotally mounted on said head, springs connected to said arms and to said guideways, a rod slidingly mounted in a socket of said head and However,

to said head, uideways projecting from said head, springs connecting said arms and guideways, a rod slidingly mounted in said head and connected to the governing-arms, a switch connected to said rod and terminals of resistance-coils in the path of said switch, whereby, when the motor-shaft is operated, resistance is cut in or cut out of the motorcircuit; substantially as described.

3. In a governing mechanism, a head secured to a rotatable shaft, guideways extending radially therefrom, a socket portion integral with said head, a rod slidingly mounted in said socket, a hub rotatable on said rod, a collar secured to said rod at each end of said hub, links connected with said hub, arms connected at one end with said links, springs connected to the opposite end of said arms and to said guideways and weighted governing-arms rigidly connected with said arms between said links and said springs; substantially as described.

4. In a governing mechanism, a head secured to a rotatable shaft, channel-shaped guideways extending radially therefrom in an arc of a circle, a socket portion integral with said head, a rod slidingly mounted in said socket, a hub rotatable on said rod, a collar secured to said rod at each end of said hub, links connected with said hub, arms connected at one end with said links, springs connected to the opposite end of said arms and to said guideways and weighted governing-arms rigidly connected with said arms between said links and said springs; substantially as described.

In testimony whereof I hereunto affix my signature, in the presence of two witnesses, this 6th day of July, 1901.

FRANK O. RINSCHE.

Witnesses:

GEORGE BAKEWELL, RALPH KALISH. 

